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Finding the Fourth Proportional to 2,997.92, 4,484.82 and 2,591.42

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Solution

The fourth proportional to 2,997.92, 4,484.82 and 2,591.42 is: 3,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.92 : 4,484.82 = 2,591.42 : x
  2. Step 2: Convert to fraction form
    2,997.92/4,484.82 = 2,591.42/x
  3. Step 3: Cross multiply
    2,997.92x = 4,484.82 × 2,591.42
  4. Step 4: Simplify right side
    2,997.92x = 11,622,052.24
  5. Step 5: Solve for x
    x = 11,622,052.24/2,997.92
  6. Step 6: Final answer
    x = 3,876.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.